Abstract
Seasonal variations (spring and autumn) of the fatty acid composition of common carp from aquaculture (cyprinid - warm water fish farm) and open waters (Prespa Lake) from Macedonia were examined. Aquaculture carp contain almost similar saturated fatty acid (SFA) content (25.95% - spring and 30.77% - autumn) compared to open water carp (25.84% - spring and 31.91% - autumn). Palmitic acid was the major SFA in both aquaculture and open water carp. Regarding monounsaturated fatty acid (MUFA) content, it is significantly higher in both seasons in aquaculture (63.27% - spring; 59.85% - autumn) compared to open water carp (48.11% - spring; 54.12% - autumn). Oleic acid was identified as the major MUFA. In both seasons, the value of polyunsaturated fatty acid (PUFA) is significantly higher in open water (26.17% - spring; 13.97% - autumn) compared to aquaculture carp (10.90% - spring; 9.39% - autumn). The most optimal results in terms of nutritional value of fish meat were found in open water carp, in the spring, due to high PUFA content, especially linoleic (n-6), as well as EPA and DHA (n-3) fatty acids. This is the result of diet, because carp consumes phyto and zooplankton from the lake's benthos, which are especially rich in essential fatty acids.
Highlights
In Europe, especially in Central and Eastern Europe, cyprinids are one of the most important fish families, especially in aquaculture production
Regarding monounsaturated fatty acid (MUFA) content, it is significantly higher in both seasons in aquaculture carp (63.27% - spring; 59.85%- autumn) compared to open water carp (48.11% - spring; 54.12% - autumn)
The value of polyunsaturated fatty acids (PUFA) is significantly higher in open water carp (26.17% - spring; 13.97% - autumn) compared to that in aquaculture carp (10.90% - spring; 9.39% - autumn)
Summary
In Europe, especially in Central and Eastern Europe, cyprinids are one of the most important fish families, especially in aquaculture production. 1785) is one of the most consumed fish species belonging to this family (Balon, 2006). Common carp is one of the most valuable and consumed fish species in Macedonia It is successfully bred in aquaculture (cyprinid warm water pond and cage farms) in Macedonia, where it covers 60 - 80% of the total fish production. The aim of this study was to analyze the seasonal variations in the fatty acid composition of common carp meat, which originates from aquaculture (cyprinid warm water fish farm) and open water carp (Lake Prespa), during the spring and autumn
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